Home / 373,320.20-559,980.30-353,102.60

Finding the Fourth Proportional to 373,320.20, 559,980.30 and 353,102.60

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Solution

The fourth proportional to 373,320.20, 559,980.30 and 353,102.60 is: 529,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,320.20 : 559,980.30 = 353,102.60 : x
  2. Step 2: Convert to fraction form
    373,320.20/559,980.30 = 353,102.60/x
  3. Step 3: Cross multiply
    373,320.20x = 559,980.30 × 353,102.60
  4. Step 4: Simplify right side
    373,320.20x = 197,730,499,878.78
  5. Step 5: Solve for x
    x = 197,730,499,878.78/373,320.20
  6. Step 6: Final answer
    x = 529,653.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.